404 見つかりません - Nginx - docker compose

これは非常に標準的なドッカーコンテナ/設定です。

index.phpdocker composeの標準呼び出しだけでphpinfo();ブラウザでこのファイルを提供できませんか？

ドッカーファイル

FROM php:7.4-fpm

# Copy composer.lock and composer.json
COPY composer.lock composer.json /var/www/

# Set working directory
WORKDIR /var/www

# Install dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    libpng-dev \
    libjpeg62-turbo-dev \
    libfreetype6-dev \
    locales \
    libzip-dev \
    zip \
    jpegoptim optipng pngquant gifsicle \
    vim \
    unzip \
    git \
    curl

# Clear cache
RUN apt-get clean && rm -rf /var/lib/apt/lists/*

# Install extensions
RUN docker-php-ext-install pdo_mysql zip exif pcntl
#RUN docker-php-ext-configure gd --with-gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/ --with-png-dir=/usr/include/
RUN docker-php-ext-configure gd --with-freetype --with-jpeg
#    PHP 7.4 ^^
RUN docker-php-ext-install gd

# Install composer
RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer

# Add user for laravel application
RUN groupadd -g 1000 www
RUN useradd -u 1000 -ms /bin/bash -g www www

# Copy existing application directory contents
COPY . /var/www

# Copy existing application directory permissions
COPY --chown=www:www . /var/www

# Change current user to www
USER www

# Expose port 9000 and start php-fpm server
EXPOSE 9000
CMD ["php-fpm"]

docker-compose.yaml

version: '3'
services:

  #PHP Service
  app_a:
    build:
      context: .
      dockerfile: Dockerfile
    image: digitalocean.com/php
    container_name: app_a
    restart: unless-stopped
    tty: true
    environment:
      SERVICE_NAME: app_a
      SERVICE_TAGS: dev
    working_dir: /var/www
    volumes:
      - ./:/var/www
      - ./php/local.ini:/usr/local/etc/php/conf.d/local.ini
    networks:
      - app-network

  #Nginx Service
  webserver_a:
    image: nginx:alpine
    container_name: webserver_a
    restart: unless-stopped
    tty: true
    ports:
      - "8211:80"
      - "443:443"
    volumes:
      - ./:/var/www
      - ./nginx/conf.d/:/etc/nginx/conf.d/
    networks:
      - app-network

  #MySQL Service
  db_a:
    image: mysql:5.7.22
    container_name: db_a
    restart: unless-stopped
    tty: true
    ports:
      - "3236:3306"
    environment:
      MYSQL_DATABASE: my_local
      MYSQL_ROOT_PASSWORD: password
      SERVICE_TAGS: dev
      SERVICE_NAME: mysql
    volumes:
      - dbdata:/var/lib/mysql
      - ./mysql/my.cnf:/etc/mysql/my.cnf
    networks:
      - app-network

#Docker Networks
networks:
  app-network:
    driver: bridge

#Volumes
volumes:
  dbdata:
    driver: local

すべてのドッカーサービスコンテナが正しく実行されており、docker exec -it 3a234d1f384e shたとえばシェルからログインできます。

ブラウザでファイルを提供するのを手伝っていただければ幸いです。よろしくお願いします。

編集する

/nginx/conf.d/app.conf

server {
    listen 80;
    index index.php index.html;
    error_log  /var/log/nginx/error.log;
    access_log /var/log/nginx/access.log;
    root /var/www/public;
    location ~ \.php$ {
        try_files $uri =404;
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        fastcgi_pass app_a:9000;
        fastcgi_index index.php;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_param PATH_INFO $fastcgi_path_info;
    }
    location / {
        try_files $uri $uri/ /index.php?$query_string;
        gzip_static on;
    }
}